1276372485

素因数分解:

$3^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4871}}^1$

素因数の和:5535

約数の個数: 40

約数和(自身を含む): 2292022656

約数和(自身を除く): 1015650171

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 647, 1941, 3235, 4871, 5823, 9705, 14613, 17469, 24355, 29115, 43839, 52407, 73065, 87345, 131517, 219195, 262035, 394551, 657585, 1972755, 3151537, 9454611, 15757685, 28363833, 47273055, 85091499, 141819165, 255274497, 425457495, 1276372485]

約数ペア:

[(1, 1276372485), (3, 425457495), (5, 255274497), (9, 141819165), (15, 85091499), (27, 47273055), (45, 28363833), (81, 15757685), (135, 9454611), (405, 3151537), (647, 1972755), (1941, 657585), (3235, 394551), (4871, 262035), (5823, 219195), (9705, 131517), (14613, 87345), (17469, 73065), (24355, 52407), (29115, 43839)]